Making sushi is fun but it can be time consuming, especially if you're have a lot of guests. Bento weblog Lunch in a Box found a great way to make nigiri (hand-formed sushi) using an ice cube tray. Simply grease the ice cube tray with nonstick spray, put your topping on the bottom, spoon cooled sushi rice in each… »11/13/11 4:00pm 11/13/11 4:00pm